The 2-knob circuit that I copied from somewhere was easy and cheap, but it leaves a lot to be desired ... So if anyone’s thinking about a Guitar tube amp with 807’s, go for it, they work ...

But given the cost of hand-wired or point-to-point tube guitar amplifiers, you might wonder if building one is actually realistic. ... The N5X that we've chosen is a British-voiced, single-ended five ...

Just plug two op amp breakout boards together in series, stick a guitar at one end and a speaker at the other. Check out the schematic here: GuitarAmp.pdf. OK, a very small amount of extra thought ...

Like classic tube amps, each of the virtual amp circuits in Yamaha's boutique home/studio amp proved quite responsive to the controls on the guitar and, in an interesting twist, the character of ...